Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.
Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.
Basic Part Information5 attributes
| Product Line | Brakes |
|---|---|
| Category Name | Air Brake Valves |
| Part Type | Relay Valve |
| Model | RG2 |
| OEM Part Number | KN28510 |
Application/Fitment Attributes9 attributes
| Application Type | Semi-Trucks, Heavy Duty Trucks |
|---|---|
| Compatible Repair Kit Part Number | F224643 |
| Control Port Size | 1/4-18 NPT |
| Delivery Port Qty | 2 |
| Delivery Port Size | 3/8-18 NPT |
| Mounting Hole Qty | 2 |
| Mounting Hole Size | 0.34 in. |
| Supply Port Size | 3/8-18 NPT, 1/2-14 NPT |
| Supply Port Qty | 2 |
Dimensional/Physical Attributes1 attribute
| Material | Die-cast Aluminum |
|---|
Technical/Performance Attributes4 attributes
| Control Port Orientation | 90 deg. |
|---|---|
| Crack Pressure | 6.0 psi |
| Maximum Operating Temperature | 200 deg. F (93 deg. C) |
| Minimum Operating Temperature | -40 deg. F (-40 deg. C) |
Packaging / Logistics Attributes:1 attribute
| Net Weight | 1.35 lb. |
|---|
Intended Application
- Air brake systems for heavy vehicles: Fast relay used to apply and release service brakes on tractor or trailer.
- Automann: 170.KN28510
- Bendix: KN28510X
- Euclid: EMDKN28510N
- Freightliner: TDA-R955KN28510N
- Haldex: KN28510, KN28510X
- International-Navistar: WABWKN28510, ZZKN28510X
- Kenworth: RKN28510
- Mack: 5396-KN28510, 8235-RKN28510, 3081425
- Meritor: R955KN28510N
- PAI: EM36120
- Wabco: RKN28510
